29results about How to "Adjustable tension" patented technology

The invention belongs to the technical field of freight unmanned aerial vehicle delivery, and relates to an intelligent cabin door system for an unmanned aerial vehicle and a cabin door structure design method. The system comprises a driving system, a reel system, a curtain plate system, a sliding rail unit and a control unit. The control unit is electrically connected with the driving system; the driving system is arranged on the unmanned aerial vehicle body; the curtain plate system is connected with an unmanned aerial vehicle body through the sliding rail unit, the curtain plate system is connected with the reel system, the driving system is in transmission connection with the reel system through a chain wheel transmission structure, and the driving system drives the reel system to rotate so as to drive the curtain plate system to stretch or retract along the sliding rail unit. Opening and closing of the cabin door are realized. According to the invention, the number of moving parts is greatly reduced, the probability of clamping stagnation and wear failure of a mechanical transmission mechanism is fundamentally reduced, and the operation reliability of a cabin door system in harsh operation scenes such as emergency logistics and disaster rescue is remarkably improved.

The utility model provides a kind of light supporting device for steeply inclined thin coal seam belongs to coal mining technical field, the light supporting device for steeply inclined thin coal seam includes side support frame in both sides, light supporting assembly is set between side support frame, light supporting assembly includes supporting bottom plate and supporting net in both sides, one side of supporting net is connected with steel chain, another side is connected with steel chain, electric winch is set on side support frame, one end of steel chain is connected with supporting net, and the other end is fixedly connected with the reel of electric winch by ring buckle;Side support frame includes stand, crossbeam and inclined strut, trapezoidal bottom plate is set in the bottom of stand, crossbeam is fixedly connected with stand by bolt, one end of inclined strut is connected with stand, and the other end is connected with bottom plate;Multiple groups of sliding slots are set on crossbeam, pulley is rotatably set in sliding slot, steel chain is wound around pulley;The utility model can solve the problem that dynamic support demand cannot be met.

The utility model discloses a wide wall paper winding device relates to mechanical engineering technical field, the utility model discloses a base, the base top fixedly connected with the object table, be provided with the flattening mechanism on the object table, be provided with the adjusting mechanism on the object table, the flattening mechanism includes the connecting shell fixedly connected in the object table top, the utility model discloses a moving block has been set, and the thickness of wall paper self will slightly push up gyro wheel no.

This utility model relates to the field of valve body connection technology and discloses an elastic anti-vibration motor-valve body connection mechanism, including a first connection end and a second connection end. A first bellows is fixedly connected to the side wall of the first connection end. A connecting ring is fixedly connected to the end of the first bellows opposite to the first connection end, and a second bellows is fixedly connected to the end of the connecting ring opposite to the first bellows. When the motor or valve body vibrates, the first and second bellows absorb vibration energy through their own elastic deformation, reducing vibration transmission. The corrugated structure of the first and second bellows allows them to undergo elastic deformation under external force, converting mechanical energy into elastic potential energy, thus playing a buffering role. The connecting ring connects the two bellows, enabling them to work together and improving the elastic connection effect.

The utility model relates to the technical field of non - woven fabric winding machine, and disclose adjustable tension non - woven fabric winding machine, include: base, the base is fixedly connected with two groups of symmetrical setting support plate, the support plate is rotatably connected with the rotating shaft, the rotating shaft is fixedly connected with the material roll, the support plate is opened with the sliding slot, the sliding groove is slidably connected with the sliding block in, two groups of sliding blocks are connected with the cloth pressure member for extruding non - woven fabric to the non - woven fabric, and the cloth pressure member is installed with the moving part, the utility model discloses be provided with cloth pressure member and moving part, through the effect of cloth pressure member extruding non - woven fabric, then when needing to adjust the tension of non - woven fabric, the moving part is driven to move down cloth pressure member through the setting, and the extrusion pressure of cloth pressure member to cloth is increased through the moving down of cloth pressure member, make the tension of non - woven fabric increase, and then adjust the tension, and then solve the problem that the winding machine cannot adjust the tension of non - woven fabric when discharging or winding non - woven fabric in prior art.

The present invention relates to an electro-discharge machining device, which comprises at least a carrier and an electro-discharge machining unit. The carrier is used to carry at least one workpiece to be machined. The electro-discharge machining unit comprises an electrode, a jig and a power supply unit. When the electro-discharge machining unit performs an electro-discharge machining process on a machining target area of the workpiece to be machined along a machining travel direction, a discharge section of the electrode moves relative to the machining target area of the workpiece to be machined. The present invention can improve the machining process, save the overall machining time and save the time required for replacing the electrode.

This utility model discloses a leveling device for spunlace nonwoven fabric production, including a worktable. A pair of bases are fixedly connected to the top right side of the worktable, and a motor is fixedly connected to the outer wall of each base. In actual use, when the spunlace nonwoven fabric shifts, it causes the outer shell to slide left and right. The outer shell is limited on the sliding rod by a connecting block. When the connecting block moves, it squeezes or pulls a spring, and the elasticity of the spring restores the outer shell to its original position, thereby correcting the shift of the spunlace nonwoven fabric. A pressure roller is installed on the top plate. Under the elastic action of a spring, the pressure roller presses the spunlace nonwoven fabric, ensuring that it is wound more tightly on the winding roller. This device solves the problems of spunlace nonwoven fabric shifting and loose winding that are common in existing winding equipment. Through the coordinated operation of various components, this device effectively ensures the neatness and tightness of the spunlace nonwoven fabric winding, improving product quality and production efficiency.

This utility model relates to a sewing machine thread take-up lever and thread feeding device. The sewing machine thread take-up lever includes a first thread take-up lever and a second thread take-up lever. The head end of the first thread take-up lever is bent to form a first thread take-up end with a left thread hole, and the head end of the second thread take-up lever is bent to form a second thread take-up end with a right thread hole. The tail ends of the first and second thread take-up levers are movably connected. The first and second thread take-up ends face each other, and the left thread hole can be adjusted relative to the right thread hole. The sewing machine thread feeding device includes a thread clamp, a thread guide plate, a thread guide seat, and the aforementioned sewing machine thread take-up lever. The thread clamp, thread guide plate, and thread guide seat are all located on the front side of the sewing machine arm. The thread guide seat can reciprocate up and down in linkage with the sewing machine's drive shaft. The thread take-up lever is mounted on the thread guide seat. The two needle threads on the thread clamp pass through the thread take-up lever and the thread guide plate, ultimately being supplied to the left and right needles. The difference in the amount of thread provided by this sewing machine thread take-up lever and thread feeding device to the left and right needles is variable.

The utility model belongs to the printing die cutting technical field especially relates to a label digital printing die cutting machine, include: shell, the middle position department fixed mounting of shell inside has digital die cutting, the below of digital die cutting and located the rotation mounting of finished product winding wheel and unwinding wheel in the shell, the top of digital die cutting and located the rotation mounting of waste wheel and light membrane wheel on the inner wall of shell, annular groove, the annular groove is set up on the inner wall of shell, the sliding installation of annular groove has the adjusting column, the rotation mounting of the inner wall of shell has the rotating lever, and the adjusting column is located between the both ends of rotating lever, in this technical scheme, through setting up unwinding wheel, adjusting column, finished product winding wheel, a plurality of rotating rollers, fixed column, slicing knife group, printer and material receiving assembly and a plurality of adjusting assembly, ensure that the whole device has the printing, laminating, die cutting, slitting and slicing integration operation of printing material, realize the degree of highly automatic processing, be convenient for staff to use.

This utility model provides a wire tensioning structure for a stone cutting machine, including a frame, a plurality of transition rollers respectively disposed around the frame, a top wire mechanism disposed at the upper end of the frame, a tensioning roller disposed on the frame, a rotating mechanism disposed between each of the transition rollers and the tensioning roller for driving each transition roller and the tensioning roller to rotate together, and a cutting wire disposed between each of the transition rollers, the tensioning roller and the top wire mechanism for tensioning the cutting wire, and further including a tensioning roller disposed on the frame, and an auxiliary tensioning mechanism disposed between the tensioning roller and the frame for driving the tensioning roller to move to increase or decrease the tension of the cutting wire on the transition rollers, the top wire mechanism and the tensioning roller.

The utility model belongs to the technical field of household electrical appliances mould, especially a kind of household electrical appliances mould automatic demoulding device, including puncher and mould seat, mould seat is set on puncher, further include: mould groove, the bottom surface of mould groove is opened in the inner wall of mould seat, mould groove is slidably connected with mould seat bottom plate;Two first sliding slots, two first sliding slots are opened in puncher and are connected with mould groove, two first sliding slots are slidably connected with two sliding frames respectively in two, two threaded rods are respectively screw-connected in two sliding frames, and two threaded rods are respectively located on the inner wall of two first sliding slots, and are rotatably connected with two first sliding slots respectively, two extrusion grooves that are connected with outside are opened in the inner wall of sliding frame;Two sliding rods, two sliding rods are respectively arranged in the inner cavity of two sliding frames, solve the problem that stamping die is tightly clamped in mould seat, so that user is difficult to take out stamping die from mould seat, affect work efficiency.

The utility model discloses a poultry manure drying machine which is transversely arranged at the air outlet position of a fan at the rear end of a chicken house and comprises a middle frame for laying a conveying belt, side frames located on the two sides of the middle frame and used for supporting the middle frame in an auxiliary mode, and conveying belt driving motors installed on the tops of the side frames. The manure discharging mechanism is installed in the side frame and used for cleaning the conveying belt, and the manure cleaning tail frame is located on the outer side of the side frame and matched with the side frame to be fixedly installed. The chicken house manure treatment device is used for treating chicken house manure, hot air exhausted by a chicken house fan is used for drying the manure, conveying, cleaning and drying of the manure are achieved through cooperation of the middle frame, the side frames, the conveying belt driving motor, the manure discharging mechanism and the manure cleaning tail frame, and the chicken house manure treatment efficiency can be effectively improved.

The utility model discloses an adjustable base for large -scale ceramic firing, including bottom plate, the inside symmetry of bottom plate is seted up and has the sliding slot, the inside sliding connection of sliding slot has the sliding block, the outer surface fixed connection of sliding block has the connecting block, the inside of connecting block is seted up and has the installation slot, the inside rotation connection of installation slot has the worm wheel, and the upper end of worm wheel is engaged with the worm, one side of worm wheel penetrates connecting block and is fixedly connected with the receiving tray of end surface, the top end sliding connection of connecting block has the moving plate, the inner wall fixed connection of connecting block upper end has the connecting rod, and the below of connecting rod is provided with the two -way screw rod. This adjustable base for large -scale ceramic firing can adjust the tightness of cutting line through rotating receiving tray, makes cutting line be in the state of tight, further makes cutting line when cutting, and the incision is more level, and then makes the user's repair work more easily, and cutting line can keep in the same horizontal plane in the cutting process, and then makes the bottom thickness of cylinder body mud base more uniform.

The utility model relates to the wire rod spot welding production technical field discloses a kind of double-shaft wire winding spot welding automatic machines, including shell, the inner wall of shell is fixedly connected with wire drum, the outer wall of wire drum is provided with wire rod, the outer wall of wire rod is slidably connected with sliding machine and conveyer and sleeve, the lower surface of sliding machine and conveyer is all fixedly connected in the inner wall of shell, the outer wall of sleeve is fixedly connected with support frame, the lower surface of support frame is fixedly connected in the inner wall of shell, the upper and lower outer wall of support frame is all fixedly connected with support plate, the upper surface of support plate is fixedly connected with hydraulic cylinder. In the utility model, by the cooperation between wire drum, wire rod, sliding machine, conveyer, sleeve, support frame, support plate, hydraulic cylinder, motor one, rotating column, cylinder and clamp plate, wire rod is quickly wound and cut, and the effect of improving production efficiency is achieved.

The utility model discloses a kind of slitting devices in PVC film production, apply in PVC film production field, including bottom plate, the top of the bottom plate is bolted with two first support plates, bolted with crossbeam between the first support plate;The utility model makes worm gear rotate by rotating worm, worm gear rotation drives shaft to make gear rotate, gear rotation drives slide cylinder to move under the action of tooth plate, the mode that slide cylinder moves makes slitting knife move, can reach the purpose of facilitating adjustment cutter distance, reduce workload, improve the efficiency of adjustment, convenient to use, the utility model moves by rotating first screw rod first screw rod drives pressure plate, pressure plate moves to change the elasticity of spring, to change the pressure between first friction disc and second friction disc, to change friction, to change the mode of tension of film, can reach the purpose of adjusting tension, guarantee the slitting quality of film, convenient to use.

This utility model relates to the field of plastic film production technology, and in particular to a multi-roller leveling device for plastic film production. It includes a tensioning mechanism comprising a housing with horizontal plates fixedly connected to both ends. One set of horizontal plates is equipped with an unwinding roller, and the other set with a take-up roller. The housing contains a tension assembly that provides tension to the plastic film, comprising multiple tension rollers. By setting up the tensioning mechanism, during the winding of the plastic film, the heat pressure of the pressure roller softens the surface of the plastic film, temporarily eliminating local wrinkles. Combined with the multiple tension rollers, the plastic film is taut and wound, reducing wrinkles and ensuring the film is as flat and wrinkle-free as possible during winding. Through an adjustment mechanism, the coordination of various parts allows the tension rollers to adjust the tension to suit plastic films of different thicknesses, achieving precise adjustment of the film's tension and increasing the adjustable range.

The present application relates to the technical field of wire processing, and provides a wire processing and stranding forming device, which comprises a stranding mechanism, a tension adjusting mechanism, a supporting mechanism, a guiding mechanism, a cooling and shaping mechanism and a controller, the tension adjusting mechanism is assembled at the right end of the stranding mechanism, the supporting mechanism is assembled at the inner wall of the right end of the stranding mechanism, the left end of the supporting mechanism is provided with the guiding mechanism, the guiding mechanism is connected with the stranding mechanism, the cooling and shaping mechanism is arranged at the left side of the guiding mechanism, the cooling and shaping mechanism is connected with the stranding mechanism, and the controller is arranged at the back side of the stranding mechanism. The present application solves the problems of unstable wire laying tension, unadjustable stranding pitch, large guiding deviation, poor forming quality caused by the absence of cooling and shaping and the like of the traditional device, has the advantages of accurate and adjustable tension, stable stranding, reliable guiding, efficient cooling, strong versatility and the like, and can meet the needs of automatic stranding and forming processing of metal wires of various specifications.

This utility model discloses a guiding structure for a material conveying device of a winding machine, relating to the technical field of winding machine equipment. The utility model includes a base plate with several locking holes on its inner wall and an adjusting mechanism on its outer wall. The adjusting mechanism includes a slide rail, the outer wall of which is fixedly connected to the outer wall of the base plate. A second slide rail is fixedly connected to the outer wall of the base plate on the side away from the slide rail, and an auxiliary roller is slidably connected to the inner wall of the second slide rail. This utility model utilizes a worm gear. First, rotating the worm gear drives a worm wheel, which in turn drives a rotating shaft. The rotation of the gear drives a rack, and the movement of the auxiliary roller stabilizes the tension experienced by the material during guiding and conveying. This achieves stable adjustment of the required tension during material guiding and conveying, and allows for convenient operation, preventing the complexity of the device from affecting the workload of the workers.

This invention provides a blended yarn production apparatus, blended yarn, and a production method thereof. The blended yarn production apparatus includes a first guide roller, a second guide roller, a first pressure sensor, a second pressure sensor, a front roller, a tension compensation unit, and a control unit. The first and second guide rollers are arranged side by side, and the first and second pressure sensors are respectively disposed in the grooves of the first and second guide rollers. The front roller is located downstream of the first and second guide rollers along the yarn feeding direction. The tension compensation unit is located upstream of the first and / or second guide rollers along the yarn feeding direction. The output terminals of both the first and second pressure sensors are connected to the input terminal of the control unit, and the output terminal of the control unit is connected to the input terminal of the tension compensation unit. This blended yarn production apparatus and method can improve the structural stability of the spinning twisting triangle zone and improve the performance of the blended yarn.

The utility model relates to the technical field of covering yarn machine, and disclose a covering yarn machine with tension adjusting device, including fixed plate, the support leg of fixed installation in the fixed plate bottom, the column of fixed installation in the fixed plate top and set up in the fixed plate top position's tension adjusting assembly, the tension adjusting assembly includes setting in the fixed plate top position's adjusting mechanism, the top position of fixed plate is provided with the guide mechanism, the guide mechanism with adjusting mechanism is connected, the adjusting mechanism includes hydraulic cylinder, the hydraulic cylinder fixed mounting is in the top of processing platform. The utility model has solved the yarn in the processing process is influenced by multiple factors, such as yarn uneven, the friction force change of guide yarn part, however traditional covering yarn machine lacks effective tension adjusting mechanism, leads to the quality of the problem of unstable covering yarn.

The utility model discloses a kind of plush fabric anti-winding hemming devices, more specifically related to the technical field of fabric production auxiliary equipment, the outer surface of the anti-static guide roller one in right part is symmetrically slidably connected with guide mechanism, two the transmission mechanism upper portion is fixedly connected with cleaning assembly, the external front side and right side of the conveying mechanism are symmetrically fixedly connected with adjusting mechanism.The utility model said a kind of plush fabric anti-winding hemming device, the conveying of fabric can be realized by guide mechanism the guiding effect of, by cleaning assembly can be conveniently to the fluff existing at the edge of conveying fabric and is flattened, by bearing mechanism can realize the effect of the bearing of conveying mechanism, under the effect of conveying mechanism, the tension of conveying fabric can be realized to adjust, and by adjusting mechanism can the position of corresponding conveying mechanism is lifted and adjusted, improve the practicality and universality of device.

The utility model discloses an adjustable multi-channel transfer device for an electrode cap forming assembly line, which comprises a main frame, transmission plates are arranged at the bottom of the main frame, rollers are arranged on the side surface of the main frame, a driving shaft is arranged between the transmission plates, and a conveyor belt is arranged between the driving shaft and the rollers; limiting supports are arranged in the center of the upper surface and on the two sides of the main frame, middle connecting rods are arranged in the centers of the limiting supports, and middle limiting aluminum strips are arranged between the middle connecting rods. Auxiliary limiting seats are arranged on the two sides of the main frame correspondingly, and side limiting aluminum strips are arranged on the auxiliary limiting seats through side connecting rods. The electrode cap transfer device is simple in structure, and the problems that an existing electrode cap transfer device is fixed in channel and poor in universality, electrode caps are prone to deviation and falling in the conveying process, and the tension degree of a conveying belt is not easy to adjust are solved.

The utility model discloses a kind of winding machines with tension adjustment, it is related to winding machine tension adjustment technical field, including winding machine main body, positioning plate, rotating lever and limit wheel, positioning plate is fixedly installed at the top of winding machine main body, limit wheel is fixedly installed at the end of rotating lever, rotating lever is rotatably connected with positioning plate, its characterized in that: the top of winding machine main body is fixedly installed with adjusting mechanism, the utility model can adjust the elastic strength of tensile spring by rotating adjusting block, when tensile spring is in compressed state, rotating lever needs to be promoted contact head with greater force, when tensile spring is in release state, rotating lever can easily promote contact head, the intensity of elasticity is controlled by adjusting the position of adjusting block, and then the rotation range of rotating lever is limited, realize the adjustment of tension, to ensure that it will not cause damage to wire, while guarantee the efficiency of winding.

A nonwoven fabric needle punching device is provided to solve the technical problem mentioned in the background art of existing nonwoven fabric processing equipment where, after the nonwoven fabric on the take-up roller is wound up, the operator needs to stop the machine and remove the nonwoven fabric from the take-up roller before the nonwoven fabric can be processed again. The device includes a worktable and a mounting plate fixed above the worktable. A needle punching assembly for needle punching the nonwoven fabric is provided between the worktable and the mounting plate. A drive assembly for driving the needle punching assembly to move vertically is provided on the mounting plate. A fixed frame is fixed on a guide rail, and a sliding frame is slidably provided inside the guide rail. Several rotating rollers are rotatably mounted on the fixed frame and the sliding frame. A first support frame and a second support frame are fixed on the side of the guide rail away from the worktable. A rotating frame is rotatably mounted on the first support frame, and material rods are fixed at both ends of the rotating frame. A cutting blade for cutting the nonwoven fabric is provided on the second support frame, and a take-up assembly for winding the nonwoven fabric is provided on the second support frame.

This utility model discloses a spinning and drawing frame, comprising: a base plate, a drawing frame body disposed on one side of the top of the base plate, and a mounting plate fixedly mounted on the other side of the top of the base plate, the other end of the mounting plate being connected to the drawing frame body. The mounting plate has an L-shaped structure, and four mounting slots are formed on the top of the base plate; four sets of limiting components, each disposed inside one of the mounting slots; and four sets of winding components, each disposed on the mounting plate, with each winding component corresponding to one of the four limiting components. This utility model, by providing limiting components, allows for convenient clamping and fixing of both ends of the yarn bobbin, facilitating the disassembly and installation of the yarn bobbin. This improves the efficiency of the device when changing yarn bobbins and allows for the fixing of yarn bobbins of different sizes, enabling the device to meet diverse processing needs.

The utility model relates to high -voltage electric power test technical field, concretely for a high -voltage electric power test cabinet, including the cabinet, the cabinet lateral wall fixedly connected with the cabinet door, the cabinet bottom fixedly connected with a plurality of fixed seat, the fixed seat top swing joint has the pressure block, the pressure block top fixedly connected with telescopic link, telescopic link top fixedly connected with drive arrangement, drive arrangement bottom fixedly connected with a plurality of guide rod, the cabinet bottom swing joint has the lifting plate. The utility model uses, through the wire both ends are put into fixed seat inside respectively, through drive arrangement and make the pressure block move down and fix the wire, restrict the pressure block movement through guide rod simultaneously, increase the stability of pressure block when moving, to reach the automatic fixing of wire, and then improve the work efficiency of the device, when wire fixing is completed, through adjusting the lifting plate height position, and then can adjust the tension of wire, to improve the detection effect of the device.

The utility model relates to medical equipment technical field, concretely relates to a desktop medicine taking structure. The utility model discloses fixed plate, step motor, drive wheel, driven wheel, synchronous belt, guide, first sliding block, draw medicine plate, second sliding block, third sliding block and medicine blocking plate, and step motor, drive wheel, driven wheel and guide are installed on fixed plate, and drive wheel and driven wheel are connected through synchronous belt transmission, and first sliding block is fixedly connected with synchronous belt, and first sliding block, second sliding block and third sliding block are slidably connected with guide, and draw medicine plate is fixed on first sliding block, and draw medicine plate is perpendicular to fixed plate, and first sliding block is located between second sliding block and third sliding block, and first sliding block is movably connected with third sliding block, and the both ends of medicine blocking plate are fixed on second sliding block and third sliding block respectively, and medicine blocking plate is parallel to fixed plate. The utility model realizes the accurate push of medicine box, makes the medicine box more close to the exit when pushing out, and improves the stability and positioning accuracy of the whole desktop medicine taking structure operation simultaneously.

This utility model relates to an anchor cable tension adjustment device and an anchor cable structure. One type of anchor cable tension adjustment device comprises: a telescopic disc mechanism having a telescopic base and a telescopic movable disc, the movable disc being slidable and mounted on the telescopic base, and a through mounting hole on the telescopic disc mechanism; a drive mechanism mounted on the telescopic disc mechanism, capable of driving the movable disc to move on the telescopic base; a pressure sensor mounted on the movable disc, capable of acquiring pressure information on the movable disc; and a controller, with the drive mechanism and pressure sensor both communicatively connected to the controller. The controller can receive pressure information acquired by the pressure sensor, and when the received pressure information is lower than a preset low pressure value, the controller can control the drive mechanism to operate and cause the movable disc to extend; when the received pressure information is higher than a preset high pressure value, the controller can control the drive mechanism to operate and cause the movable disc to retract.